#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Important: before running this demo, make certain that grovepi & ATT_IOT

# are in the same directory as this script, or installed so that they are globally accessible

import grovepi #provides pin support

import ATT_IOT as IOT #provide cloud support

from time import sleep #pause the app

#set up the ATT internet of things platform

IOT.DeviceId = "YourDeviceIdHere"

IOT.ClientId = "YourClientIdHere"

IOT.ClientKey = "YourClientKeyHere"

sensorName = "Button" #name of the sensor

sensorPrev = False #previous value of the sensor (only send a value when a change occured)

sensorPin = 2

sensorId = "1" #the id of the button, don't uses spaces. required for the att platform

actuatorName = "Diode"

actuatorPin = 4

actuatorId = "2"

#set up the pins

grovepi.pinMode(sensorPin,"INPUT")

grovepi.pinMode(actuatorPin,"OUTPUT")

#callback: handles values sent from the cloudapp to the device

def on_message(id, value):

print("unknown actuator: " + id)

IOT.on_message = on_message

#make certain that the device & it's features are defined in the cloudapp

IOT.connect()

IOT.addAsset(sensorId, sensorName, "Push button", False, "bool")

IOT.addAsset(actuatorId, actuatorName, "Light Emitting Diode", True, "bool")

IOT.subscribe() #starts the bi-directional communication

#main loop: run as long as the device is turned on

while True:

if grovepi.digitalRead(sensorPin) == 1:

if sensorPrev == False:

print(sensorName + " activated")

IOT.send("true", sensorId)

sensorPrev = True

elif sensorPrev == True:

print(sensorName + " deactivated")

IOT.send("false", sensorId)

sensorPrev = False

sleep(.3)